code: def _attribute_default_value(self):  # type: ignore
      attr = AttributeProto()
      attr.ParseFromString(self._default_value)
      return attr
  
file_path: onnx/onnx/defs/__init__.py
imports: from typing import List
  import onnx.onnx_cpp2py_export.defs
  from onnx import AttributeProto, FunctionProto
label_desc: Use image node_id 3 for calling a global function with example usage: _attribute_default_value() and returns: attr